Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/117,580external-prioritypatent/US4332766A/en
Application filedfiledCritical
Publication of ES265232UpublicationCriticalpatent/ES265232U/es
Application grantedgrantedCritical
Publication of ES265232YpublicationCriticalpatent/ES265232Y/es